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Electrochemistry instruments for the laboratory bench. A potentiostat controls the potential between the working and reference electrodes of an electrochemical cell and measures the current that flows; a galvanostat controls the current and measures the potential; a zero resistance ammeter (ZRA) measures the current between two electrodes held at the same potential. Together they are how corrosion behaviour, coating breakdown, sensor response and battery performance are measured under controlled conditions rather than estimated. BAMR distributes the Gamry Instruments range, which combines all three functions in one instrument and adds electrochemical impedance spectroscopy (EIS). If you already use BAMR coating thickness gauges, adhesion testers and holiday detectors in the field, this is the laboratory side of the same question: what the coating and the substrate are actually doing electrochemically, and how fast.
The introductory instrument of the Gamry Interface 1010 range, for physical and analytical electrochemistry. Maximum current ±1 A across 9 current ranges, maximum applied potential ±12 V, and EIS from 10 µHz to 20 kHz at 99% impedance accuracy. It takes 2, 3 or 4 cell…
The general purpose instrument of the Gamry Interface 1010 range. Maximum current ±1 A across 9 current ranges, maximum applied potential ±12 V, and EIS from 10 µHz to 2 MHz. It takes 2, 3 or 4 cell connections, is isolated from earth, and weighs 2.4 kg.
The entry-level instrument of the Gamry Interface 1010 range, for teaching labs. Maximum current ±100 mA across 6 current ranges, maximum applied potential ±5 V, and EIS from 10 µHz to 20 kHz at 99% impedance accuracy. It takes 2, 3 or 4 cell connections, is isolated from earth,…
A 5 A potentiostat, galvanostat and zero resistance ammeter for high current testing of single cell energy devices. Maximum current ±5 A across 6 current ranges, maximum applied potential ±6 V, EIS from 10 µHz to 1 MHz, and 2, 3, 4 or 5 cell connections.
The introductory 5 A instrument of the Gamry Interface 5000 range, for batteries and supercapacitors. Maximum current ±5 A across 6 current ranges, maximum applied potential ±6 V, EIS from 10 µHz to 20 kHz, and 2, 3, 4 or 5 cell connections.
A potentiostat, galvanostat and zero resistance ammeter for the electrochemistry laboratory, with 2, 3 or 4 cell connections and floating operation. Maximum current is ±3 A in Hi Current mode across 11 current ranges, and EIS runs from 10 µHz to 1 MHz.
The Gamry Reference 3000 potentiostat, galvanostat and ZRA supplied with the Auxiliary Electrometer, which adds eight additional voltage measurements for stack testing. All Reference 3000 specifications apply, with the Auxiliary Electrometer figures listed separately.
A potentiostat, galvanostat and zero resistance ammeter with EIS to 5 MHz and a maximum current of ±600 mA across 11 current ranges. It takes 2, 3, 4, 5 or 6 cell connections, is isolated from earth, and measures 9 x 19 x 27 cm at 3 kg.
Frequently asked questions
What is a potentiostat and what does it measure?
A potentiostat controls the potential between the working electrode and the reference electrode in an electrochemical cell and measures the resulting current. A galvanostat does the reverse: it controls the current and measures the potential. A zero resistance ammeter (ZRA) measures the current flowing between two electrodes held at the same potential, which is the usual arrangement for galvanic corrosion work. Every Gamry instrument listed here operates as all three.
What is EIS and why does the frequency range matter?
Electrochemical impedance spectroscopy applies a small alternating signal across a range of frequencies and measures the cell's impedance response at each one. The frequency range an instrument covers sets what it can resolve: low frequencies characterise slow processes such as coating degradation and diffusion, high frequencies characterise fast ones such as solution resistance and double layer capacitance. The EIS range of each instrument is listed on its own page.
Which Gamry instruments does BAMR supply?
BAMR distributes the Gamry Reference 3000, Reference 3000AE, Reference 620, Interface 1010E, Interface 1010B, Interface 1010T, Interface 5000E and Interface 5000P. Contact us with your application and we will quote the model and cell accessories that suit it.
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